CSES - Datatähti 2025 alku

Submission details
Task:	Robotti
Sender:	eeronaali
Submission time:	2024-11-06 23:51:28 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.04 s	1, 2	details
#2	ACCEPTED	0.04 s	1, 2	details
#3	WRONG ANSWER	0.04 s	1, 2	details
#4	ACCEPTED	0.04 s	1, 2	details
#5	ACCEPTED	0.04 s	1, 2	details
#6	RUNTIME ERROR	0.07 s	1, 2	details
#7	RUNTIME ERROR	0.07 s	1, 2	details
#8	ACCEPTED	0.04 s	1, 2	details
#9	ACCEPTED	0.04 s	1, 2	details
#10	ACCEPTED	0.05 s	1, 2	details
#11	WRONG ANSWER	0.04 s	1, 2	details
#12	ACCEPTED	0.08 s	2	details
#13	RUNTIME ERROR	0.07 s	2	details
#14	RUNTIME ERROR	0.18 s	2	details
#15	ACCEPTED	0.29 s	2	details
#16	WRONG ANSWER	0.04 s	2	details
#17	ACCEPTED	0.07 s	2	details
#18	TIME LIMIT EXCEEDED	--	2	details
#19	TIME LIMIT EXCEEDED	--	2	details
#20	ACCEPTED	0.06 s	2	details
#21	ACCEPTED	0.08 s	2	details
#22	TIME LIMIT EXCEEDED	--	2	details
#23	TIME LIMIT EXCEEDED	--	2	details
#24	WRONG ANSWER	0.06 s	2	details

Code

# Syöte
rooms = int(input())
building = [x for x in input()]

# Kolikkojen lukumäärä
all_coins = building.count("*")

# Laskurit
steps = 0
coins_collected = 0

# Robotin aloitussijainti
robot_position = building.index("R")


# OHJELMA
while True:
    
    #1. etsitään lähin kolikko
    positions = [rooms, rooms]
    
    for i in range(robot_position, 0, -1):
        if building[i] == "*":
            positions[0] = i
            break
    
    for j in range(robot_position, rooms):
        if building[j] == "*":
            positions[1] = j
            break

    coin_paths = [positions[0] - robot_position, positions[1] - robot_position]
    
    if abs(coin_paths[0]) < abs(coin_paths[1]):
        shortest_path = coin_paths[0]
    else:
        shortest_path = coin_paths[1]
    
    
    #2. jos kolikot yhtä lähellä tai kaikki kolikot on kerätty --> break
    if (abs(robot_position - positions[0]) == abs(robot_position - positions[1])) or (coins_collected == all_coins):
        break
    
    #3. liikutaan ja kerätään kolikko
    robot_position += shortest_path
    building[robot_position] = "."
    steps += abs(shortest_path)
    coins_collected += 1
    


# Tulostus
print (steps, coins_collected)

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
`1 R` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
`10 ...R......` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

input
`10 .R...*` view save

correct output
`12 5` view save

user output
`10 4` view save

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
`10 *R****` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R................................` view save

correct output
`947 9` view save

user output
`947 9` view save

Test 6

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 .................................` view save

correct output
`886 9` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 46, in <module>
    building[robot_position] = "."
IndexError: list index out of range

Test 7

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 .........................` view save

correct output
`1287 400` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 46, in <module>
    building[robot_position] = "."
IndexError: list index out of range

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
`1000 **********.***************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
`1000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R*****************************...` view save

correct output
`999 999` view save

user output
`999 999` view save

Test 11

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 ******************************...` view save

correct output
`999 999` view save

user output
`0 0` view save

Test 12

Group: 2

Verdict: ACCEPTED

input
`10000 .......*...................*...` view save

correct output
`10971 999` view save

user output
`10971 999` view save

Test 13

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ...........................` view save

correct output
`9999 999` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 46, in <module>
    building[robot_position] = "."
IndexError: list index out of range

Test 14

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ...............*.....` view save

correct output
`18766 5000` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 46, in <module>
    building[robot_position] = "."
IndexError: list index out of range

Test 15

Group: 2

Verdict: ACCEPTED

input
`10000 R*****************************...` view save

correct output
`9999 9999` view save

user output
`9999 9999` view save

Test 16

Group: 2

Verdict: WRONG ANSWER

input
`10000 ******************************...` view save

correct output
`9999 9999` view save

user output
`0 0` view save

Test 17

Group: 2

Verdict: ACCEPTED

input
`200000 .................................` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 18

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 .................................` view save

correct output
`299934 10000` view save

user output
(empty)

Test 19

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 ............*...*....` view save

correct output
`299998 100000` view save

user output
(empty)

Test 20

Group: 2

Verdict: ACCEPTED

input
`200000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 21

Group: 2

Verdict: ACCEPTED

input
`200000 R................................` view save

correct output
`133765 3` view save

user output
`133765 3` view save

Test 22

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 R................................` view save

correct output
`199982 5000` view save

user output
(empty)

Test 23

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 R*****************************...` view save

correct output
`199999 199999` view save

user output
(empty)

Test 24

Group: 2

Verdict: WRONG ANSWER

input
`200000 ******************************...` view save

correct output
`199999 199999` view save

user output
`0 0` view save

Datatähti 2025 alku

Robotti

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Tasks

Submissions (eeronaali)